Design for combined ruler and magnifying caliper



FIG. 1 is a top plan view of a combined ruler and magnifying caliper showing my new design, the bottom plan view being a mirror image thereto;

FIG. 2 is a side elevational view thereof as taken from line 2--2 of FIG. 1;

FIG. 3 is a top plan view of the upper element of FIG. 1 shown disconnected from the lower element for clarity and ease of illustration;

FIG. 4 is a top plan view of the lower element of FIG. 1 shown disconnected from the upper element for clarity and ease of illustration;

Both elements of the combined ruler and magnifying caliper are transparent. 

The ornamental design for a combined ruler and magnifying caliper, substantially as shown and described. 